package com.ty.sso.config;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * 缓存管理（注解用）
 * @author Administrator
 *
 */
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
        
    /**
 * 生成key的策略
 *
 * @return
 */
@Bean
public KeyGenerator keyGenerator() {
    return new KeyGenerator() {
        @Override
        public Object generate(Object target, Method method, Object... params) {
            StringBuilder sb = new StringBuilder();
            sb.append(target.getClass().getName());
            sb.append(method.getName());
            for (Object obj : params) {
                sb.append(obj.toString());
            }
            return sb.toString();
        }
    };
}

/**
 * 管理缓存
 *
 * @param redisTemplate
 * @return
 */
@SuppressWarnings("rawtypes")
@Bean
public CacheManager cacheManager(RedisTemplate redisTemplate) {
    RedisCacheManager rcm = new RedisCacheManager(redisTemplate);
    //设置缓存过期时间
    // rcm.setDefaultExpiration(60);//秒
    //设置value的过期时间
    Map<String,Long> map=new HashMap();
    map.put("test",60L);
    rcm.setExpires(map);
    return rcm;
}

/**
 * RedisTemplate配置
 * @param factory
 * @return
 */
@Bean
public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
    StringRedisTemplate template = new StringRedisTemplate(factory);
    Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
    ObjectMapper om = new ObjectMapper();
    om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    jackson2JsonRedisSerializer.setObjectMapper(om);
    template.setValueSerializer(jackson2JsonRedisSerializer);//如果key是String 需要配置一下StringSerializer,不然key会乱码 /XX/XX
    template.afterPropertiesSet();
    return template;
}
}